Stäubli connector systems

The components of the MC connector system for photovoltaics are used for time-saving and safe serial and parallel wiring of PV modules for building-integrated and free-standing solar systems. Depending on the existing module or inverter, the MC3 connector and the MC4 connector are available for practical use. The data sheet for the MC3 and MC4 connector systems can be found below.

Multi-Contact becomes Stäubli Electrical Connectors

The company Multi-Contact AG was founded in 1962 and currently employs over 700 people. All production facilities are certified according to ISO 9001 and thus meet the highest quality standards. Since 2017, the internationally active Swiss connector manufacturer Multi-Contact AG has been trading as Stäubli Electrical Connectors AG.

Stäubli MC4 and MC3 connector systems 1

MC4 connector systems

Stäubli MC4 and MC3 connector systems 2
The lockable MC4 connector systems
  • Diameter Ø 4 mm
  • Rated current max. 30 A
  • System voltage max. 1000 V
  • Protection class plugged IP67
  • Easy assembly
  • Snap in" locking system
  • Protection class II
  • Temperature range -40°C to +90°C
  • TÜV Rheinland - Type tested
Stäubli MC4 and MC3 connector systems 3

MC3 connector systems

Stäubli MC4 and MC3 connector systems 4
The proven MC3 connector systems
  • Diameter Ø 3 mm
  • Bemessungsstrom
    max. 30 A bei 6 mm²
    max. 20 A bei < 4 mm²
  • System voltage max. 1000 V
  • Protection class plugged IP65
  • Protection class II
  • Temperature range -40°C to +90°C
  • TÜV Rheinland - Type tested